Extrinsic 50681-1

{
  "heartbeat": {
    "blockNumber": 50680,
    "sessionIndex": 844,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x162fbf70c18c8be8cbcc17569506516f5cd4995bfca8b69fa2a151d73096c7269155c5a6aa411a9881b04cc790a92925be159c1b61e425a7772cf12c4f40978f"
}